Rename package so it has a valid name

Dockerfile

@@ -3,6 +3,6 @@ FROM python:3.8.1-alpine3.11
 COPY requirements.txt /app/requirements.txt
 RUN pip install -r /app/requirements.txt
 
-COPY ./todoist-github /app
+COPY ./todoist_github /app
 
 CMD ["/app/cli.py"]

scripts/run.sh

@@ -4,4 +4,4 @@ set -e
 
 PATH=env/bin:${PATH}
 
-python3 -m todoist-github
+python3 -m todoist_github

scripts/test.sh

@@ -6,7 +6,7 @@ PATH=env/bin:${PATH}
 
 set -x
 
-black --check todoist-github/
-flake8 todoist-github/
-isort -c -rc todoist-github/
-mypy todoist-github/
+black --check todoist_github/
+flake8 todoist_github/
+isort -c -rc todoist_github/
+mypy todoist_github/